Optical add-drop multiplexer

- J.S.T. Mfg. Co., Ltd.
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Description

FIG. 1 is a perspective view of an optical add-drop multiplexer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a right side view thereof, a left side view thereof being a mirror image; and,

FIG. 6 is a rear elevation view thereof.

Claims

The ornamental design for an optical add-drop multiplexer, as shown and described.

Referenced Cited
U.S. Patent Documents
4626057 December 2, 1986 Knickerbocker
D304028 October 17, 1989 Matsuzaki
5579425 November 26, 1996 Lampert et al.
5647043 July 8, 1997 Anderson et al.
5923805 July 13, 1999 Anderson et al.
6102581 August 15, 2000 Deveau et al.
6250817 June 26, 2001 Lampert et al.
6409392 June 25, 2002 Lampert et al.
D481680 November 4, 2003 Cheng et al.
Foreign Patent Documents
560933 November 2003 TW
Other references
  • Office Action of Taiwanese Design Patent Application mailed May 17, 2005.
Patent History
Patent number: D520449
Type: Grant
Filed: Jun 15, 2004
Date of Patent: May 9, 2006
Assignee: J.S.T. Mfg. Co., Ltd. (Osaka)
Inventors: Makoto Shiraishi (Nishikamo-gun), Keiji Sakaguchi (Nishikamo-gun), Yutaka Katsuyama (Sakai)
Primary Examiner: Prabhakar Deshmukh
Assistant Examiner: Daniel Bui
Attorney: Rader, Fishman & Grauer PLLC
Application Number: 29/207,439
Classifications
Current U.S. Class: Connector, Conductor Or Housing Therefor (10) (D13/133)